Tempering, welding, and brazing compound



Patented June 25, 1929.

UNlTEU STATES PATENT OFFICE.

COLIN H. BOWIERS, OF LOS ANGELES, CALIFORNIA, ASSIG-N'OR OF ONE-FOUETHTO JAMES H. ANDERSON, O13 STOCKTON, CALIFORNIA.

TEMPERING, WELDING, AND BRAZING COMPOUND.

1t ZlJrawing'.

This invention relates to a composition Oiil matter in the nature of aflux or welding brazing and tempering compound.

l he invention also provides a compound or flux which is capable of:effective use upon oily or greasy metallic surfaces without thenecessity oi? cleaning them.

With the foregoing objects in view, my invention comprises a compound orflux 10 termed oi? the following ingredients:

1 pound of borax.

1 ounce of sal ammoniac.

1 ounce of Venetian red.

1 ounce of bicarbonate of soda.

1 ounce of salt.

4 ounce of powdered coke.

The above ingredients are first pulverized in any suitable manner, thenthoroughly mixed together in a vessel, or other suitable receptacle, sothat the several parts will. be

well blended.

It is a welding flux because the Function oi the borax and thesal-a1umoniac is to dissolre the oxides and. slag them on the surlace toprotect them from the atmosphere.

Salt Wte it an eliect in welding brass and bron blL'flTlHHMtliG oi sodaaids in tiuxiugi;

oil its scale protecting the surface. Coke is a reducing agent toprevent the oxidation 01:

metals. All nnltcrials welded with my flux can be machined.

I have :tonnd that the exact combination Serial No. 330,1d3.

of ingredients hereinafter claimed. to be particularly e'l'licient notonly in aiding the wohlingg; and lf)1itZl]'1f but in the properpreparation (cleaning and deoxidizing) of the surfaces to be welded andbrazed. My compound. has been found from. practical experience to workreadily with all metal and its action is not selective as is often thecase. It is not necessary to clean or grind materials beitore beingwelded.

I am aware that patents have been issued disclosing in general certain.ol? the ingredients which 1. hereinafter specifically claim, but theprior art does not show what I have discovered. to be of great value towit: the exact single compound including collectively only the specificingredients and exact proportions claimed.

Therefore, what I claim to be new in a single compound is:

a new article of 1nanutacture, a compound of the class described,comprising one pound. of box-an, one ounce of sal-ainmoniac, one ounceof Venetian red, one ounce of hioarboiutte oi soda, one quart ounce olpowdered coke and one ounce ot eoijnpounded. as and tor the purposehereinbe'lore spec'i lically described.

In testimony whereof I hereimto aflix my signature.

COLIN R. BOWERS.

